TY - JOUR
T1 - Impact of micro-, mini- And multi-electrode mapping on ventricular substrate characterisation
AU - Berte, Benjamin
AU - Zeppenfeld, Katja
AU - Tung, Roderick
N1 - Funding Information:
Disclosure: BB has received travel grants, research grants and speaker fees from Biosense Webster, Boston Scientific and Abbott. KZ has received research grants from Biosense Webster. RT has received consulting, travel grants and speaker fees from Abbott. Received: 27 May 2020 Accepted: 23 August 2020 Citation: Arrhythmia & Electrophysiology Review 2020;9(3):128–35. DOI: https://doi.org/10.15420/aer.2020.24 Correspondence: Benjamin Berte, Heart Center, Lucerne Cantonal Hospital, Spitalstrasse, 6000 Lucerne 16, Switzerland. E: Benjamin.Berte@luks.ch
Publisher Copyright:
© 2020 Radcliffe Group Ltd. All rights reserved.
PY - 2020
Y1 - 2020
N2 - Accurate substrate characterisation may improve the evolving understanding and treatment of cardiac arrhythmias. During substrate-based ablation techniques, wide practice variations exist with mapping via dedicated multi-electrode catheter or conventional ablation catheters. Recently, newer ablation catheter technology with embedded mapping electrodes have been introduced. This article focuses on the general misconceptions of voltage mapping and more specific differences in unipolar and bipolar signal morphology, field of view, signal-to-noise ratio, mapping capabilities (density and resolution), catheter-specific voltage thresholds and impact of micro-, mini- and multi-electrodes for substrate mapping. Efficiency and cost-effectiveness of different catheter types are discussed. Increasing sampling density with smaller electrodes allows for higher resolution with a greater likelihood to record near-field electrical information. These advances may help to further improve our mechanistic understanding of the correlation between substrate and ventricular tachycardia, as well as macro-reentry arrhythmia in humans.
AB - Accurate substrate characterisation may improve the evolving understanding and treatment of cardiac arrhythmias. During substrate-based ablation techniques, wide practice variations exist with mapping via dedicated multi-electrode catheter or conventional ablation catheters. Recently, newer ablation catheter technology with embedded mapping electrodes have been introduced. This article focuses on the general misconceptions of voltage mapping and more specific differences in unipolar and bipolar signal morphology, field of view, signal-to-noise ratio, mapping capabilities (density and resolution), catheter-specific voltage thresholds and impact of micro-, mini- and multi-electrodes for substrate mapping. Efficiency and cost-effectiveness of different catheter types are discussed. Increasing sampling density with smaller electrodes allows for higher resolution with a greater likelihood to record near-field electrical information. These advances may help to further improve our mechanistic understanding of the correlation between substrate and ventricular tachycardia, as well as macro-reentry arrhythmia in humans.
KW - Cardiac arrhythmias
KW - Electrode design
KW - Re-entrant tachycardia
KW - Substrate mapping
KW - Ventricular substrate characterisation
KW - Ventricular tachycardia
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U2 - 10.15420/AER.2020.24
DO - 10.15420/AER.2020.24
M3 - Article
AN - SCOPUS:85098554484
VL - 9
SP - 128
EP - 135
JO - Arrhythmia and Electrophysiology Review
JF - Arrhythmia and Electrophysiology Review
SN - 2050-3369
IS - 3
ER -